Biber Minisubmarine is a submarine that appears in Commandos: Behind Enemy Lines. It first appeared in the mission David and Goliath when James Blackwood can be piloted to destroy the Battleship with a torpedoes.
- The submarine's appearance bears a resemblance to a real-life mini submarine with the same name.
- This and the Patrol Boat are the only naval vessels that armed with weapons.
- The Biber Minisubmarine has only 2 torpedos that can fire with, but it will be useless once if you wasted it. The torpedos are only use for the Battleship and the Patrol Boat.
- This is the only naval vessel in Commandos: Behind Enemy Lines that can be driven by the Marine other than a Rowboat and his personal Inflatable Boat.
- Unlike the other naval vessels, this submarine cannot carry more than one passenger.
- In mods, the Biber can be drivable in the other missions.